Joshua Aaron, a musician and developer, created an app called ICEBlock, where people can post sightings of U.S. Immigration and Customs Enforcement officers across the country.

Los Angeles

Joshua Aaron, combining his backgrounds in technology, music, and activism, has developed ICEBlock, a free crowdsourced application designed to alert users when U.S. Immigration and Customs Enforcement officers are reported nearby. The app enables users to receive notifications about ICE sightings within a five-mile radius, allowing them to avoid those areas if desired.

ICEBlock emphasizes user anonymity, requiring no sign-up or collection of personal data. Reports are automatically deleted after four hours, and safeguards are in place to prevent spam, such as limiting the frequency and location of reports. ICE did not respond to requests for comment about the app or its depiction of enforcement actions.

Developer makes app to flag ICE raids

When I saw what was happening in this country, I wanted to do something to fight back. Joshua Aaron developed IceBlock. It's a free, crowdsourced app that alerts users when immigration and customs enforcement agents are spotted within a five-mile radius of their location. Will you just sort of explain what IceBlock is and how it works? Sure. So imagine if you're walking down the street and a notification comes up on your device that says ice has been spotted four blocks ahead. Instead of continuing down that path, you can turn left or turn around and avoid the situation altogether. Aaron grew up Jewish and has a background in tech, music, and activism. He says he sees parallels between the Trump administration's immigration crackdown and Nazi Germany. We're literally watching history repeat itself. And so I thought, what if there was an early warning system? And that's what became IceBlock. I'm looking at LA now. I'm seeing one in East Hollywood, and then as I zoom out, it's showing me a few others. One of the core principles of the design of this app is 100% anonymity for our user base. As of today, we have 20,000 users. We're hoping to grow that 10 or 100 times, of course. But there is no signup process. There is no user data collected. There's no user data even captured by our app. Do you have a way of verifying the accuracy of the reports that people are making on the platform? We don't, but what we've done is put some safeguards in place so that people can't, for lack of a better word, spam the database. Every reported sighting is deleted in four hours' time. You can only report within a five-mile radius of your own location. Beyond that, we have a five-minute limit. So when you report a sighting, you can't report another one for five minutes. CNN reached out to ICE for comment about the app and Aaron's characterization of its enforcement actions. The agency did not respond. We have also seen the way that many big tech leaders have supported Trump, donated to him, showed up at the inauguration. But what you're doing is challenging the policies of the Trump administration. And I wonder what you would say to the other leaders and your colleagues in this industry. I think I would say grow a backbone. You can't just be about the money. I understand that you have shareholders to report to. I understand that you have employees that need their paychecks. But at what point do you say enough is enough?

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Moscow

Ukraine Invasion

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As Suwayda

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Atlanta

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Washington

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Jerusalem

Middle East Conflict

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New Jersey

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Doha

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New York

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Global Tariffs

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Beijing

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Cape Canaveral

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Lexington

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Brussels

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Ahmedabad

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Tehran

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Council of the City of Sydney

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Breakdown